Home / 13,916.11-19,204.09-7,628.45

Finding the Fourth Proportional to 13,916.11, 19,204.09 and 7,628.45

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Solution

The fourth proportional to 13,916.11, 19,204.09 and 7,628.45 is: 10,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.11 : 19,204.09 = 7,628.45 : x
  2. Step 2: Convert to fraction form
    13,916.11/19,204.09 = 7,628.45/x
  3. Step 3: Cross multiply
    13,916.11x = 19,204.09 × 7,628.45
  4. Step 4: Simplify right side
    13,916.11x = 146,497,402.22
  5. Step 5: Solve for x
    x = 146,497,402.22/13,916.11
  6. Step 6: Final answer
    x = 10,527.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.